The Nikon 16D 4x Pocket Magnifier each utilize 1.3" diameter lenses. In the Nikon 16D 4x Pocket Magnifier, the lens is 4x and 16 diopter. The Nikon 16D 4x Pocket Magnifier are 2.7" long, 1.8" wide, and just under .6" thick. Both magnifiers weigh just over one ounce!

Nikon 16D 4x Pocket Magnifierhas All Nikon magnifiers are particularly suited to use by entomologists, coin collectors (numismatists), stamp collectors, fly fishing enthusiasts and anyone else who demands fine detail in his or her work or hobby.